They became friends again that day. Until then, they ______ to each other for nearly two years.
The money is to be used________the poor.
The traditional view is _______ we sleep because our brain is “programmed” to make us do so.
_______ the influence of computers, nowhere have we seen the results more clearly than in the US.
He suggested the problem worth paying attention_____ at the meeting.
The next morning I________ myself up for lost when I was spotted by a ship.